201555225

素因数分解:

$3^2\times 5^2\times {\mathrm{895801}}^1$

素因数の和:895817

約数の個数: 18

約数和(自身を含む): 361008206

約数和(自身を除く): 159452981

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 895801, 2687403, 4479005, 8062209, 13437015, 22395025, 40311045, 67185075, 201555225]

約数ペア:

[(1, 201555225), (3, 67185075), (5, 40311045), (9, 22395025), (15, 13437015), (25, 8062209), (45, 4479005), (75, 2687403), (225, 895801)]